def post(self):
#Handle POST request for this view. Url ---> /auth/logout
"""Endpoint to logout a user"""
try:
# get auth token
auth_header = request.headers.get('Authorization')
auth_token = None
if auth_header and len(auth_header.split(" ")) > 1:
auth_token = auth_header.split(" ")[1]
if auth_token is None:
return make_response(
jsonify({
"message": "Token required",
"status": "failure"
})), 403
if auth_token is not None:
#decode the token that was stored after login to extract the user id
user_id = User.get_token_user_id(auth_token)
if user_id == "Expired token. Please login to get a new token":
#First check if token exists in the Token table
token = Token.query.filter_by(token=auth_token).first()
# Delete token from the logged in user's table if it is in the logged in user table
if token is not None:
Token.delete_token(token)
return make_response(
jsonify({
"message":
" Token Expired. Please login to get a new one",
"status": "failure"
})), 403
if user_id == "Invalid token. Please register or login":
return make_response(
jsonify({
"message":
" Invalid Token. Please login to get a new one",
"status": "failure"
})), 403
#check if token exists in the Token table
token = Token.query.filter_by(token=auth_token).first()
#Use the user ID that was decoded from the token to extract
# the user so u can change the logged in flag to 0
user = User.query.filter_by(id=int(user_id)).first()
#check if the token is stored in the table with tokens
if token is not None:
#remove the token from the token table
Token.delete_token(token)
#set the user logged in flag to 0
user.logged_in = 0
user.save()
# create the response
response = {
"message": 'Logout Successful',
"status": "success"
}
# send the response
return make_response(jsonify(response)), 201
else:
#log out user if not already logged out
response = {
"message": 'No need you are already logged out',
"status": "success"
}
#make and send the response
return make_response(jsonify(response)), 303
except Exception as e:
response = {
"message": " Internal server error " + str(e),
"status": "failure"
}
# Return a server error using the HTTP Error Code 500 (Internal Server Error)
return make_response(jsonify(response)), 500
